481665 has 16 divisors (see below), whose sum is σ = 779328. Its totient is φ = 254016.

The previous prime is 481651. The next prime is 481667. The reversal of 481665 is 566184.

481665 = 155² + 156² + ... + 172².

It is not a de Polignac number, because 481665 - 2⁵ = 481633 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2347 + ... + 2543.

It is an arithmetic number, because the mean of its divisors is an integer number (48708).

2⁴⁸¹⁶⁶⁵ is an apocalyptic number.

It is an amenable number.

481665 is a deficient number, since it is larger than the sum of its proper divisors (297663).

481665 is a wasteful number, since it uses less digits than its factorization.

481665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368.

The product of its digits is 5760, while the sum is 30.

The square root of 481665 is about 694.0208930573. The cubic root of 481665 is about 78.3877796620.

The spelling of 481665 in words is "four hundred eighty-one thousand, six hundred sixty-five".